diff --git a/lib/a_division_by_zero_error.rb b/lib/a_division_by_zero_error.rb
index fa27ef365..219799529 100644
--- a/lib/a_division_by_zero_error.rb
+++ b/lib/a_division_by_zero_error.rb
@@ -1,3 +1,3 @@
 42 / 6
 
-42 / 0
+42 / 1
diff --git a/lib/a_name_error.rb b/lib/a_name_error.rb
index bad266d93..bf6751fa7 100644
--- a/lib/a_name_error.rb
+++ b/lib/a_name_error.rb
@@ -1,3 +1 @@
-"hello world"
-
-hello_world
+hello_world = "hello world"
diff --git a/lib/a_syntax_error.rb b/lib/a_syntax_error.rb
index 5252c8f76..a14ac9d58 100644
--- a/lib/a_syntax_error.rb
+++ b/lib/a_syntax_error.rb
@@ -1,3 +1,3 @@
 x = 1
 
-x = 
+x = 1
diff --git a/lib/a_type_error.rb b/lib/a_type_error.rb
index 1217fd52a..6284e4e31 100644
--- a/lib/a_type_error.rb
+++ b/lib/a_type_error.rb
@@ -1,3 +1,3 @@
 1 + 1
 
-1 + "is the loneliest number"
+"1" + "is the loneliest number"